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Mathematics, 24.04.2021 04:10 lala1196

The lengths of two sides of a triangle are shown. Side 1: 3x2 βˆ’ 2x βˆ’ 1

Side 2: 9x + 2x2 βˆ’ 3

The perimeter of the triangle is 5x3 + 4x2 βˆ’ x βˆ’ 3.

Part A: What is the total length of the two sides, 1 and 2, of the triangle? Show your work.(4 points)

Part B: What is the length of the third side of the triangle? Show your work. (4 points)

Part C: Do the answers for Part A and Part B show that the polynomials are closed under addition and subtraction? Justify your answer. (2 points)

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The lengths of two sides of a triangle are shown. Side 1: 3x2 βˆ’ 2x βˆ’ 1

Side 2: 9x + 2x...
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